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Bright black nickel plating electroplate solution and preparation method and application thereof

An electroplating solution and bright technology, applied in the field of nickel electroplating, can solve the problem of unclear specific purpose, and achieve the effect of strong wear resistance, tight bonding and strong adhesion

Pending Publication Date: 2020-06-12
深圳奕创表面处理科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Chinese patent (application number 201510738320.1) discloses "a high-performance electroplating process for nickel plating solution", the main components of the disclosed electroplating solution are: nickel sulfate, nickel chloride, hydrogen peroxide, activated carbon powder, boric acid; The main purpose of the technology is: directly used in the electroplating process, rather than indirect application, the specific problem solved or the specific purpose achieved is not clear

Method used

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  • Bright black nickel plating electroplate solution and preparation method and application thereof
  • Bright black nickel plating electroplate solution and preparation method and application thereof
  • Bright black nickel plating electroplate solution and preparation method and application thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0054] A preparation method of a novel bright black nickel electroplating solution, the steps are:

[0055] In the first step, under the condition of 35°C, 25 g of HINCPH and CTN mixture mixed in equal mass ratio were dissolved in 1 L of additive A ammonium sulfate solution with a concentration of 20 g / L;

[0056] In the second step, 15g of nickel sulfate, 10g of nickel chloride, 2.5g of iron sulfate, 2.5g of zinc sulfate, 2.5g of copper sulfate, 1.5g of magnesium sulfate, 1.5g of manganese sulfate, and 0.5g of nitric acid were added successively to the solution obtained in the first step. Silver, 15g thioacetamide, stirred until various salts were completely dissolved;

[0057] In the third step, in the solution obtained in the second step, add 25g additive B water-soluble chitosan oligosaccharide, ethylenediaminetetraacetic acid (EDTA) and other quality mixtures, stir until additive B dissolves completely;

[0058] In the fourth step, add 15g of additive C oxalic acid and 5...

Embodiment 2

[0061] A preparation method of a novel bright black nickel electroplating solution, the steps are:

[0062]In the first step, under the condition of 40°C, 35 g of HINCPH and CTN mixture mixed in equal mass ratio were dissolved in 1 L of additive A ammonium dihydrogen phosphate solution with a concentration of 35 g / L;

[0063] In the second step, add 25g of nickel sulfate, 15g of nickel chloride, 4.5g of iron sulfate, 4.5g of zinc sulfate, 4.5g of copper sulfate, 2.5g of magnesium sulfate, 2.5g of manganese sulfate, and 1.0g of nitric acid in the solution obtained in the first step. Silver, 20g thioacetamide, stirred until various salts were completely dissolved;

[0064] In the third step, in the solution obtained in the second step, add 35g additive B water-soluble chitosan oligosaccharide, ethylenediaminetetraacetic acid (EDTA) and other quality mixtures, stir until B is completely dissolved;

[0065] The 4th step, in the solution gained in the 4th step, add 20g additive C ...

Embodiment 3

[0068] A preparation method of a novel bright black nickel electroplating solution, the steps are:

[0069] In the first step, at 45°C, 45 g of HINCPH and CTN mixture mixed in equal mass ratio was dissolved in 1 L of additive A ammonium sulfate solution with a concentration of 35 g / L;

[0070] In the second step, 25g of nickel sulfate, 20g of nickel chloride, 4.5g of iron sulfate, 4.5g of zinc sulfate, 4.5g of copper sulfate, 3.5g of magnesium sulfate, 3.5g of manganese sulfate, 1.5g of Silver nitrate, 25g thioacetamide, stirred until the various salts are completely dissolved;

[0071] In the third step, in the solution obtained in the second step, add 45g additive B water-soluble chitosan oligosaccharide, ethylenediaminetetraacetic acid (EDTA) and other quality mixtures, and stir until B is completely dissolved;

[0072] The fourth step, to the solution obtained in the fourth step, add 25g additive C oxalic acid, malonic acid, succinic acid, citric acid, one or two or three...

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Abstract

The invention relates to the field of nickel electroplating, in particular to a bright black nickel plating electroplate solution and a preparation method and application thereof. The bright black nickel plating electroplate solution is prepared from the components with the following concentrations: 25-65g / L of a mixture of hexaimidazole nickel (II) carbonate pentahydrate (HINCPH) and chitosan nickel (II) (CTN) by equal mass, 15-45g / L of nickel sulfate, 10-35g / L of nickel chloride, 3.5-12.5g of iron sulfate, 3.5-12.5g of zinc sulfate, 3.5-12.5g of copper sulfate, 1.5-5.5g of magnesium sulfate, 1.5-5.5g of manganese sulfate, 0.5-3.5g of silver nitrate, 15-30g / L of thioacetamide, 20-55g / L of a stabilizer, 25-65g / L of a mixture, 15-35g / L of a mixing agent and 5-25g / L of black brightener. Thecompounding agent used by the prepared novel bright black nickel electroplating solution is mainly prepared from chitosan, chitosan oligosaccharide, imidazole, EDTA, thioamide and the like, the compounding agent can not only be treated without pollution and harmlessness, but also be recycled and reused efficiently, and economic and environmental benefits are good.

Description

technical field [0001] The invention relates to the field of nickel electroplating, in particular to a bright black nickel electroplating solution and its preparation method and application. Background technique [0002] Black and bright nickel coatings have excellent heat absorption, heat dissipation, extinction and decoration functions. As high-efficiency light-absorbing materials, they have multiple uses and are widely used in optical equipment, light-absorbing materials, aerospace and defense industries. Black nickel coating is also widely used in decoration and protective film, active solar thermal coating for absorbing infrared light and other fields. Black nickel plating is also widely used as a conductive coating in the electronics industry, as an energy absorption conversion coating in the field of solar energy, functional coatings, computing, petrochemicals, electronics, automobiles and other fields. There are two main preparation techniques for black nickel coati...

Claims

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Application Information

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IPC IPC(8): C25D3/18
CPCC25D3/18
Inventor 赵双琪周登伯杨兰马佳丽肖鹏代田田秦鑫张文博郑月强周环波
Owner 深圳奕创表面处理科技有限公司
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